#include<stdio.h>
#include<string.h>
#define maxn 100
int left,chance;
char s[maxn],s2[maxn];
int win,lose;

void guess(char ch)
{
	int bad=1;
	for(int i=0;i<strlen(s);i++)
		if (s[i]==ch)
			{
				left--;
				s[i]=' ';
				bad=0;
			}
		if (bad)	--chance;
		if (!chance) lose=1;
		if (!left) win=1;
}

int main()
{
	int rnd;
	while(scanf("%d%s%s",&rnd,s,s2)==3 && rnd!=-1)
	{
		printf("Round %d\n",rnd);
		win=lose=0;
		left=strlen(s);
		chance=7;
		for(int i=0;i<strlen(s2);i++)
			{
				guess(s2[i]);
				if(win||lose)	break;
			}
	if (win) printf("You win.\n");
	else if (lose) printf("You lose.\n");
	else printf("You chickened out.\n");
	}
	return 0;
}
